package cn.tedu.sp06.controller;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.pojo.Order;
import cn.tedu.sp01.pojo.User;
import cn.tedu.web.util.JsonResult;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
@Slf4j
public class RibbonController {
    @Autowired
    private RestTemplate restTemplate;

    @GetMapping("/item-service/{orderId}")
    @HystrixCommand(fallbackMethod="getItemsFB")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId){
        JsonResult forObject = restTemplate.getForObject("http://item-service/{1}", JsonResult.class, orderId);
        return forObject;
    }

    @PostMapping("/item-service/decreaseNumberFB")
    @HystrixCommand(fallbackMethod="decreaseNumber")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items){
        JsonResult jsonResult = restTemplate.postForObject("http://item-service/dectraseNumber", items, JsonResult.class);
        return jsonResult;
    }

    @GetMapping("/user-service/{userId}")
    @HystrixCommand(fallbackMethod = "getUserFB")
    public JsonResult<User> getUser(@PathVariable Integer userId){
        return restTemplate.getForObject("http://user-service/{1}", JsonResult.class,userId);
    }

    @GetMapping("user-service/{userId}/score")
    @HystrixCommand(fallbackMethod = "addScoreFB")
    public JsonResult<?> addScore(@PathVariable Integer userId,Integer score){
        return restTemplate.getForObject("http://user-service/{1}/score?score={2}", JsonResult.class,userId,score);
    }

    @GetMapping("/order-service/{orderId}")
    @HystrixCommand(fallbackMethod = "getOrderFB")
    public JsonResult<Order> getOrder(@PathVariable String orderId){
        return restTemplate.getForObject("http://order-service/{1}",JsonResult.class,orderId);
    }

    @GetMapping("/order-service/")
    @HystrixCommand(fallbackMethod="addOrderFB")
    public JsonResult addOrder(){
        return restTemplate.getForObject("http://order-service/", JsonResult.class);
    }


    //--------------------------------------------------------------------------------------------------

    public JsonResult<List<Item>> getItemsFB(@PathVariable String orderId){
        return JsonResult.err().msg("获取订单的此商品列表失败");
    }

    public JsonResult<?> decreaseNumberFB(@RequestBody List<Item> items){
        return JsonResult.err().msg("减少商品库存失败");
    }

    public JsonResult<User> getUserFB(@PathVariable Integer userId){
        return JsonResult.err().msg("获取用户信息失败");
    }

    public JsonResult<?> addScoreFB(@PathVariable Integer userId,Integer score){
        return JsonResult.err().msg("增加用户积分失败");
    }

    public JsonResult<Order> getOrderFB(@PathVariable String orderId){
        return JsonResult.err().msg("获取订单失败");

    }

    public JsonResult addOrderFB(){
        return JsonResult.err().msg("保存订单失败");

    }





}
